Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Low Pressure Sensor / Switch: Service and Repair

WARNING: THE REFRIGERATION SYSTEM MUST BE COMPLETELY RECOVERED BEFORE PROCEEDING WITH THIS OPERATION. REFER TO REFRIGERANT RECOVERY.

REMOVAL
1. Disconnect the boot like wire connector at the cut off switch.

Low Pressure Cut-off Switch And Expansion Valve - Typical:




2. Using a sender unit removal socket, remove the switch from the expansion valve.

INSTALLATION

NOTE: Verify the O-ring condition on the replacement switch.

- For installation, reverse the above procedures. Evacuate and charge the system.